Introduction

Diethylene glycol (CAS Number: 111-46-6) is an organic compound with the chemical formulaC4H10O3. It is a hygroscopic liquid, which is colorless as well as has negligible odor and a sweet taste. This chemical compound is miscible with alcohol, water, acetone, ether and ethylene glycol. It is poisonous in nature. Diethylene glycol ismore hydrophilic more than most diols, owing to its ether functionality.

Preparation

Partial hydrolysis of ethylene oxide produces diethylene glycol. Varying amounts of diethylene glycols and related glycols are produced based on the conditions. The product obtained consists of two molecules of ethylene glycol linked by an ether bond. The other products obtained include ethylene glycol and triethylene glycol.Diethylene glycol is one among several glycols obtained from ethylene oxide.Glycols related to and produced along with diethylene glycol include ethylene glycol, triethylene glycol, tetraethylene glycol, pentaethylene glycol and polyethylene glycol.

Applications

- Diethylene glycol finds applications in the manufacture of unsaturated and saturated plasticizers, polyurethanes and polyester resins. Various industries buy diethylene glycolfor organic synthesis of chemicals such as morpholine and 1,4-dioxane.

- Diethylene glycol suppliers supply the chemical to industries like printing ink, glue, cork and tobacco, where it is used as a humectant.

- This chemical is used as a solvent for oils, dyes, resins and other organic compounds. The personal care product manufacturers buy diethylene glycol from diethylene glycol suppliers to use in products such as deodorants, lotions and skin creams.

Toxicity

Diethylene glycol is not permitted for use in food and drugs, owing to its poisonous nature. Its ingestion is harmful, which may inflict damage upon organs on prolonged exposure. It does not cause skin irritation and is not severely harmful to the eyes. Inhalation of diethylene glycol is not harmful. Diethylene glycol suppliers, manufacturers and other end user industries who buy diethylene glycol should know about the toxicity of the chemical.

Exposure Controls

General ventilation is required at the workplace. Diethylene glycol suppliers, manufacturers, sellers and laboratory personnel dealing with the chemical must wear personal protection equipment such as protective glasses, face shield and gloves. Preventive skin protection creams should be used. Respiratory protection must be worn in case of inadequate ventilation. Appropriate container should be used to avoid contamination of the environment. Diethylene glycol suppliers and users who buy diethylene glycol should keep it away from ground water, surface water and drains.

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